Finding the Fourth Proportional to 405,200.99, 607,610.73 and 236,769.95
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Solution
The fourth proportional to 405,200.99, 607,610.73 and 236,769.95 is: 355,043.46
Step by Step Solution
- Step 1: Write the proportion equation
405,200.99 : 607,610.73 = 236,769.95 : x - Step 2: Convert to fraction form
405,200.99/607,610.73 = 236,769.95/x - Step 3: Cross multiply
405,200.99x = 607,610.73 × 236,769.95 - Step 4: Simplify right side
405,200.99x = 143,863,961,150.67 - Step 5: Solve for x
x = 143,863,961,150.67/405,200.99 - Step 6: Final answer
x = 355,043.46
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.